document the bizarre option parsing caused by scanning
options multiple times with the arg(2) macros.

Notes:
Sun Apr 16 08:58:33 EDT 2006 rsc
    This is bad.  How can we fix nfsserver instead?
    


Reference: /n/sources/patch/sorry/nfsserver-args
Date: Sat Apr 15 11:43:07 CES 2006
Signed-off-by: geoff@collyer.net
Reviewed-by: rsc

--- /sys/man/8/nfsserver	Sat Apr 15 11:42:14 2006
+++ /sys/man/8/nfsserver	Sat Apr 15 11:42:11 2006
@@ -164,6 +164,12 @@
 .SH BUGS
 It would be nice to provide authentication for users, but Unix systems
 provide too low a level of security to be trusted in a Plan 9 world.
+.PP
+An option taking an argument must be written as two arguments
+(e.g., 
+.BR "-f /srv/fs.other" )
+and all such options must follow
+options that do not take arguments.
 .SH SEE ALSO
 RFC1057,
 .I "RPC: Remote Procedure Call Protocol Specification, Version 2."